function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Camper, Jeffrey D. & Torres-Carvajal, Omar & Ron, Santiago R.', 1],
    ['Carvalho, Thiago R. & Moraes, Leandro J. C. L. & Angulo, Ariadne', 1],
    ['Carvalho, Thiago R. D. & Moraes, Leandro J. C. L.', 5],
    ['Carvalho, Thiago Ribeiro De & Giaretta, Ariovaldo Antonio', 3],
    ['De Carvalho, Thiago R. & Giaretta, Ariovaldo A.', 1],
    ['Dubeux, Marcos Jorge Matias', 1],
    ['Fouquet, Antoine & Vidal, Nicolas & Dewynter, Maël', 3],
    ['Llanqui, Irbin B. & Y. Salas, Cinthya & Oblitas, Melissa P.', 1],
    ['Martins, Bryan da Cunha & Tamanini Monico, Alexander', 1],
    ['Schiesari, Luis & Rossa-Feres, Denise De Cerqueira', 2],
    ['Steindachner, F.', 1],
    ['Zaracho, Víctor H. & Lavilla, Esteban O. & Carvalho, Thiago R.', 30]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=50)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);